CN112728159A - Plane sealing low flow resistance reversing valve - Google Patents
Plane sealing low flow resistance reversing valve Download PDFInfo
- Publication number
- CN112728159A CN112728159A CN202110364532.3A CN202110364532A CN112728159A CN 112728159 A CN112728159 A CN 112728159A CN 202110364532 A CN202110364532 A CN 202110364532A CN 112728159 A CN112728159 A CN 112728159A
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- valve
- pipe
- cover
- reversing
- rotary
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/072—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members
- F16K11/074—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
- F16K27/045—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members with pivotal obturating members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
A plane sealing low flow resistance reversing valve belongs to the technical field of valves, a cover body is at least provided with two cover channels, the end part of a valve body is provided with a first body channel, and the side part of the valve body is provided with a second body channel; the valve body is internally provided with a rotary reversing pipe, the rotary reversing pipe comprises an inclined pipe part and a straight pipe part which are communicated with each other, an inclined pipe accommodating cavity and a straight pipe accommodating cavity are formed in the valve body, the inclined pipe part is positioned in the inclined pipe accommodating cavity, and the straight pipe part is positioned in the straight pipe accommodating cavity; the periphery of the inclined pipe part is connected with a driving gear ring, and the end part of the inclined pipe part is connected with a valve seat; the driving gear ring drives the rotary reversing pipe to rotate, and the valve seat rotates along with the rotary reversing pipe, so that the cover channel, the first body channel and the second body channel are alternately communicated or closed. The invention changes the traditional circular rotating structure of the valve core, adopts a straight-through way for the flow passage, greatly reduces the internal leakage amount, reduces the fluid resistance, enhances the reliability of the valve in operation under the pressure difference and the temperature difference, and can carry out automatic compensation after being worn, thereby greatly prolonging the service life of the valve.
Description
Technical Field
The invention belongs to the technical field of valves, and particularly relates to a plane sealing low-flow-resistance reversing valve.
Background
At present, in the field of electric valves for air conditioners, in the operation process of an air conditioner, high-temperature and high-pressure gas is arranged at an exhaust end, low-temperature and low-pressure gas is arranged at an air suction end, namely, temperature difference and pressure difference exist in media flowing into and flowing out of a valve, so that pressure deformation and thermal deformation are generated on a circular rotary valve body, and a valve core is a reversing valve with a circular structure, so that the rotary moment of the valve is large due to thermal deformation, the valve is difficult to rotate, the switching stability is poor, the leakage amount is large, and. The invention provides a reversing valve which is reliable in operation under the pressure difference and the temperature difference and can automatically compensate after being worn, and the inventor develops a series of technical solutions for the reversing valve.
Disclosure of Invention
Therefore, the invention provides a plane sealing low-flow-resistance reversing valve, which solves the problems that the existing valve has poor operation stability and reliability under the pressure difference and the temperature difference and cannot automatically compensate after being worn.
In order to achieve the above purpose, the invention provides the following technical scheme: a plane sealing low flow resistance reversing valve comprises a cover body and a valve body, wherein the cover body is at least provided with two cover channels, the end part of the valve body is provided with a first body channel, and the side part of the valve body is provided with a second body channel; a rotary reversing pipe is arranged in the valve body and comprises an inclined pipe part and a straight pipe part which are communicated with each other, an inclined pipe accommodating cavity and a straight pipe accommodating cavity are formed in the valve body, the inclined pipe part is located in the inclined pipe accommodating cavity, and the straight pipe part is located in the straight pipe accommodating cavity;
a driving gear ring is arranged outside the rotary reversing pipe, and the end part of the inclined pipe part is connected with a valve seat; the valve seat is provided with a transition channel, the transition channel is communicated with an inclined tube part of the rotary reversing tube, the drive gear ring drives the rotary reversing tube to rotate, and the valve seat rotates along with the rotary reversing tube, so that the cover channel is alternately communicated with or closed by the first body channel and the second body channel.
As a preferred scheme of the plane sealing low-flow resistance reversing valve, the caliber of the front end of the valve seat matched with the cover body is larger than that of the rotary reversing tube, and a channel in the rotary reversing tube is communicated with the first integral channel.
As the preferred scheme of the low flow resistance switching-over valve of plane seal, the drive ring gear is in the linking position of pipe chute portion and straight tube portion, drive ring gear is connected with drive assembly, drive assembly is in the pipe chute holds the chamber, drive assembly includes drive assembly and driving gear, drive assembly with the driving gear connection, the driving gear with the meshing of drive ring gear, the engagement mode adopts outer ring gear meshing, the ring gear meshing, straight-teeth gear meshing, any one of helical gear meshing and turbine worm meshing.
As a preferred scheme of the plane sealing low flow resistance reversing valve, the engagement mode of the driving gear and the driving gear ring adopts any one of external gear ring engagement, internal gear ring engagement, helical gear engagement and worm and gear engagement;
the driving assembly adopts a single motor;
or the driving assembly adopts a motor and speed reducer assembly, and the speed reducer is a planetary speed reducer, a harmonic damper, a worm and gear speed reducer, a cycloidal speed reducer and a hard tooth surface speed reducer;
or the driving assembly adopts a magnetic coupling, a magnetic transmission mechanism, a hydraulic mechanism or a pneumatic mechanism;
and a terminal board is arranged on the valve body or the cover body, and a lead of the drive assembly is led out through the terminal board.
As a preferred scheme of the plane sealing low flow resistance reversing valve, a sensor hole is formed in the cover body, and a sensor is arranged in the sensor hole;
the valve seat is provided with magnetic blocks, the magnetic blocks correspond to the sensors, and the number of the sensors and the number of the magnetic blocks are at least one;
the sensor is in the form of a magnetic sensor, an electric switch, an electromagnetic sensor, a photoelectric sensor or an infrared and ultraviolet sensor.
As a preferred scheme of the plane sealing low flow resistance reversing valve, a junction box is arranged on the valve body or the cover body, and a terminal board lead is introduced into the junction box;
a sensor protective cover is arranged outside the sensor, and a sensor lead is led into the junction box;
the valve body or the cover body is provided with a sight glass which is used for checking the rotation state of the rotary reversing pipe.
As a preferable scheme of the plane sealing low-flow-resistance reversing valve, the transition channel corresponds to the cover channel on the cover body and is alternately switched on or closed.
As the preferred scheme of the plane sealing low flow resistance reversing valve, a straight pipe part of the rotary reversing pipe is provided with a bearing, and a sealing element is arranged on the right end face of the straight pipe part or the right end face of the straight pipe part in the radial direction or the axial direction.
As a preferred scheme of the plane sealing low flow resistance reversing valve, the cover body is provided with a fixed stop block, and the valve seat is provided with a rotary stop block; the fixed stop blocks correspond to the rotary stop blocks and play a role in limiting, and the number of the fixed stop blocks is at least one.
As the preferred scheme of the plane sealing low flow resistance reversing valve, the matching position of the cover body and the rotary reversing pipe is provided with a wear-resistant sealing material, the wear-resistant sealing material is single metal or alloy, or polytetrafluoroethylene material or composite material, and the wear-resistant sealing material is arranged in the modes of assembling, crimping, welding, casting, inlaying or spraying.
As a preferred scheme of the plane sealing low-flow resistance reversing valve, the rotary reversing pipe is provided with a spring part, and the spring part is arranged at the outer end or the middle of the straight pipe part or at the position of the inclined pipe part;
the spring part is a disc spring, a wave spring, a rectangular cylindrical spring or a common pressure spring.
As a preferred scheme of the plane sealing low-flow resistance reversing valve, a pin shaft hole is arranged on the rotary circle center of the valve seat, and a central hole is arranged in the center of the cover body;
the central hole is connected with the pin shaft hole through a pin shaft, and the valve seat and the rotary reversing pipe rotate around the pin shaft.
Preferably, the valve seat is provided with a closing position which opens or closes a cover channel on the cover body.
The cover body is at least provided with two cover channels, the end part of the valve body is provided with a first body channel, and the side part of the valve body is provided with a second body channel; the valve body is internally provided with a rotary reversing pipe, the rotary reversing pipe comprises an inclined pipe part and a straight pipe part which are communicated with each other, an inclined pipe accommodating cavity and a straight pipe accommodating cavity are formed in the valve body, the inclined pipe part is positioned in the inclined pipe accommodating cavity, and the straight pipe part is positioned in the straight pipe accommodating cavity; the periphery of the inclined pipe part is connected with a driving gear ring, and the end part of the inclined pipe part is connected with a valve seat; the driving gear ring drives the rotary reversing pipe to rotate, and the valve seat rotates along with the rotary reversing pipe, so that the cover channel, the first body channel and the second body channel are alternately communicated or closed. The invention changes the traditional circular rotating structure of the valve core, adopts a straight-through way for the flow passage, greatly reduces the internal leakage amount, reduces the fluid resistance, enhances the reliability of the valve in operation under the pressure difference and the temperature difference, and can carry out automatic compensation after being worn, thereby greatly prolonging the service life of the valve.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a schematic structural diagram of a planar sealing low flow resistance reversing valve provided in embodiment 1 of the invention;
FIG. 2 is a schematic diagram of the internal structure of a planar sealing low-flow resistance reversing valve provided in embodiment 1 of the invention;
FIG. 3 is a schematic structural diagram of a planar sealing low-flow resistance reversing valve provided in embodiment 2 of the invention;
FIG. 4 is a schematic structural diagram of a planar sealing low flow resistance reversing valve provided in embodiment 3 of the invention;
FIG. 5 is a schematic structural diagram of a planar sealing low flow resistance reversing valve provided in embodiment 4 of the invention;
fig. 6 is a schematic view of a closed position of the planar sealing low-flow resistance reversing valve provided in embodiment 4 of the present invention.
In the figure, 1, a cover body; 2. a valve body; 3. a cover channel; 4. a first body passage; 5. a second body passageway; 6. rotating the reversing tube; 7. a diagonal pipe portion; 8. a straight tube portion; 9. an inclined tube accommodating cavity; 10. a straight tube receiving cavity; 11. a drive gear ring; 12. a valve seat; 13. a drive assembly; 14. a drive assembly; 15. a driving gear; 16. a terminal plate; 17. a sensor aperture; 18. a junction box; 19. a bearing; 20. a seal member; 21. fixing a stop block; 22. rotating the stop block; 23. a wear-resistant sealing material; 24. a spring member; 25. a pin shaft hole; 26. a central bore; 27. the bit is closed.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 and 2, a plane sealing low flow resistance reversing valve is provided, which comprises a cover body 1 and a valve body 2, wherein the cover body 1 is provided with at least two cover channels 3, the end part of the valve body 2 is provided with a first body channel 4, and the side part of the valve body 2 is provided with a second body channel 5; a rotary reversing pipe 6 is arranged in the valve body 2, the rotary reversing pipe 6 comprises an inclined pipe part 7 and a straight pipe part 8 which are communicated with each other, an inclined pipe accommodating cavity 9 and a straight pipe accommodating cavity 10 are formed in the valve body 2, the inclined pipe part 7 is located in the inclined pipe accommodating cavity 9, and the straight pipe part 8 is located in the straight pipe accommodating cavity 10;
a driving gear ring 11 is arranged outside the rotary reversing pipe 6, and the end part of the inclined pipe part 7 is connected with a valve seat 12; the valve seat 12 is provided with a transition passage, the transition passage is communicated with the inclined pipe part 7 of the rotary reversing pipe 6, the driving gear ring 11 drives the rotary reversing pipe 6 to rotate, and the valve seat 12 rotates along with the rotary reversing pipe 6, so that the cover passage 3 is alternatively communicated with or closed by the first body passage 4 and the second body passage 5.
In this embodiment, the lid 1 is equipped with two lid passageways 3, be respectively lid passageway 3A and lid passageway 3B, and lid passageway 3A and lid passageway 3B shape are arbitrary shape, and the best is circular, and 2 external shapes of valve body are arbitrary, and 2 right-hand members of valve body are equipped with first body passageway 4, and 2 insides of valve body are the pile column structure of left end major diameter right-hand member path, and the column structure is circular or arbitrary dysmorphism, and the column structure is designed into the pipe chute and holds chamber 9 and straight tube and hold chamber 10.
Specifically, the second body passage 5 is provided on the side wall of the inclined tube accommodating chamber 9 at the large diameter position of the valve body 2. A flow channel L is arranged in the middle of a rotary reversing pipe 6 in a valve body 2, the internal shape of the flow channel L is any curved surface shape or any fluid curved surface shape, the rotary reversing pipe 6 comprises a straight pipe part 8 and an inclined pipe part 7, the straight pipe part 8 is inserted in a straight pipe accommodating cavity 10 in the small-diameter position on the left side of the valve body 2 and matched with the straight pipe accommodating cavity 10, the inclined pipe part 7 of the rotary reversing pipe 6 is located in an inclined pipe accommodating cavity 9 in the large-diameter position in the valve body 2, and the rotary reversing pipe 6 can rotate around the circle center of the straight pipe part 8.
Specifically, the end of the rotary reversing tube 6 is provided with a valve seat 12. The channel sectional area of the valve seat 12 is larger than or equal to the sectional area of a flow channel L of the rotary reversing tube 6, the valve seat 12 is provided with a transition channel, the transition channel is communicated with the inclined tube part 7 of the rotary reversing tube 6, and the transition channel corresponds to the cover channel 3 on the cover body 1 and is alternately communicated or closed.
In this embodiment, the inclined tube accommodating cavity 9 at the large-diameter position in the valve body 2 is provided with the driving component 13, the driving gear ring 11 is located at the joint position of the inclined tube part 7 and the straight tube part 8, the driving gear ring 11 is connected with the driving component 13, the driving component 13 comprises a driving assembly 14 and a driving gear 15, the driving assembly 14 is connected with the driving gear 15, and the driving gear 15 is meshed with the driving gear ring 11.
Specifically, the engagement mode of the driving gear 15 and the driving gear ring 11 is any one of external gear ring engagement, internal gear ring engagement, straight gear engagement, bevel gear engagement and worm gear engagement.
Specifically, the driving assembly 14 adopts a single motor; or the driving assembly 14 adopts a motor and reducer combination, and the reducer is a planetary reducer, a harmonic damper, a worm gear reducer, a cycloidal reducer and a hard tooth surface reducer; or the driving assembly 14 adopts a magnetic coupling, a magnetic transmission mechanism, a hydraulic mechanism or a pneumatic mechanism; a terminal plate 16 is arranged on the valve body 2 or the cover body 1, and a lead of the driving assembly 14 is led out through the terminal plate 16.
In this embodiment, the cover body 1 is provided with a sensor hole 17, preferably a blind hole, a sensor is arranged in the sensor hole 17, the valve seat 12 is provided with a magnetic block, the magnetic block and the sensor are in corresponding relation, the number of the sensor is at least one than that of the magnetic block, the number of the sensor can be different from that of the magnetic block, and the sensor is in the form of a magnetic sensor, an electrical switch, an electromagnetic sensor, a photoelectric sensor, an infrared sensor or an ultraviolet sensor.
The working principle of the plane sealing low flow resistance reversing valve of the embodiment is as follows:
in the initial state, the first body channel 4 is communicated with the cover channel 3A through a channel L in the rotary reversing pipe 6 and a transition channel of the valve seat 12, and the second body channel 5 is communicated with the cover channel 3B through an inclined pipe accommodating cavity 9 inside the valve body 2, namely: the first body passage 4 is in communication with the cover passage 3A, and the second body passage 5 is in communication with the cover passage 3B.
When the driving assembly 13 drives the rotary reversing tube 6 to rotate through the driving gear ring 11, the rotary reversing tube 6 drives the valve seat 12 to rotate, and when the valve seat 12 is communicated with the cover channel 3B, the sensor outputs an in-place signal to enable the driving assembly 13 to stop rotating. The first body passage 4 is now in communication with the cover passage 3B and the second body passage 5 is in communication with the cover passage 3A.
If the initial state needs to be switched, the driving assembly 13 drives the rotary reversing tube 6 to rotate reversely, the rotary reversing tube 6 drives the valve seat 12 to rotate reversely, the valve seat 12 is communicated with the cover channel 3A, the first body channel 4 is communicated with the cover channel 3A, the second body channel 5 is communicated with the cover channel 3B, at the moment, the sensor outputs an in-place signal, and the driving assembly 13 stops rotating.
Example 2
Referring to fig. 3, the present embodiment 2 is different from the above-described embodiment 1 in that the cover body 1 is provided with two cover passages 3. The cover channel 3A and the cover channel 3B, respectively, the cover channel 3A and the cover channel 3B may be of any shape, preferably circular. The external shape of valve body 2 is arbitrary, and 2 right-hand members of valve body are equipped with first body passageway 4, and 2 inside fold cylindric cake structure for the big footpath of left end right-hand member path that is of valve body, and the columnar structure is circular or arbitrary dysmorphism, and the columnar structure is designed into the pipe chute and holds chamber 9 and straight tube and hold chamber 10.
Specifically, the second body passage 5 is provided on the left side of the outer wall of the inclined tube accommodating chamber 9 of the valve body 2. A flow passage L is arranged in the middle of a rotary reversing pipe 6 in the valve body 2, the flow passage L is in any curved surface shape or any fluid curved surface shape, a straight pipe part 8 of the rotary reversing pipe 6 is inserted into a straight pipe accommodating cavity 10 in a small-diameter position of the valve body 2 and is matched with the valve body 2, an inclined pipe part 7 of the rotary reversing pipe 6 is located in an inclined pipe accommodating cavity 9 in a large-diameter position in the valve body 2, and the rotary reversing pipe 6 can rotate around the circle center of the straight pipe part 8.
In the present embodiment, a bearing 19 and a radial seal 20 are provided at the straight tube portion 8 of the rotating direction changing tube 6. The seal 20 is a shaft seal 20. The bearing 19 is added to ensure rotation, and the sealing element 20 improves the sealing performance.
In this embodiment, the cover 1 is provided with the fixed stopper 21, the valve seat 12 is provided with the rotary stopper 22, the fixed stopper 21 corresponds to the rotary stopper 22 and performs a limiting function, the number of the fixed stopper 21 is at least equal to that of the rotary stopper 22, and the number of the fixed stopper 21 may be different from that of the rotary stopper 22. The rotation in-place precision of the rotary reversing tube 6 can be ensured.
In this embodiment, the wear-resistant sealing material 23 is disposed at the position where the cover body 1 and the rotating reversing tube 6 are matched, the wear-resistant sealing material 23 may be a single metal or an alloy, or a polytetrafluoroethylene material or a composite material, and the arrangement mode may be assembling, crimping, welding, casting, embedding, and spraying. In operation, wear damage is prevented by the addition of the wear seal 20.
In this embodiment, the rightmost end of the straight pipe portion 8 of the rotating reversing pipe 6 is provided with a spring member 24, and the spring member 24 may be a disc spring, a wave spring, a rectangular cylindrical spring or a common pressure spring.
In this embodiment, a pin hole 25 is formed in the center of the rotation circle of the valve seat 12, a center hole 26 is formed in the center of the cover 1, the center hole 26 is connected to the pin hole 25 by a pin, and the valve seat 12 and the rotary tube changer can rotate around the pin.
In this embodiment, the inclined tube accommodating chamber 9 at the large diameter position in the valve body 2 is provided with a driving assembly 13, and the driving assembly 13 comprises a driving gear 15, a driving assembly 14 and a terminal plate 16. The driving gear ring 11 is arranged at the connecting position of the straight pipe part 8 and the inclined pipe part 7 of the rotary reversing pipe 6, the driving assembly 14 is arranged inside the valve body 2, and the driving gear ring 11 is meshed with the driving gear 15 in the mode of outer gear ring meshing, inner gear ring meshing, bevel gear meshing or worm and gear meshing. The driving assembly 14 is a motor and speed reducer combination, the speed reducer is a planetary speed reducer, a harmonic damper, a worm gear speed reducer, a cycloidal speed reducer, a hard tooth surface speed reducer, the driving assembly 13 can also be a magnetic coupling, a magnetic transmission mechanism, a hydraulic mechanism or a pneumatic mechanism, a terminal board 16 is arranged on the valve body 2 or the cover body 1, and a lead of the driving assembly 14 is led out through the terminal board 16. A terminal box 18 is provided on the cover 1, into which a lead of the terminal plate 16 is introduced.
The working principle of the plane sealing low flow resistance reversing valve in the embodiment 2 is the same as that of the embodiment 1.
Example 3
Referring to fig. 4, the present embodiment 3 is different from the above embodiment 1 in that the valve body 2 is of a special-shaped structure, the valve body 2 is divided into two parts, the rear of the valve body 2 is connected by a flange, the cover 1 is also a flange, and the cover 1 is connected with the valve body 2 by a flange.
In this embodiment, the driving assembly 13 is disposed at the middle position of the valve body 2, the driving gear ring 11 is disposed at the straight pipe portion 8 of the rotary reversing pipe 6, the driving assembly 14 is engaged with the driving gear ring 11 by a straight gear engagement method, a helical gear engagement method, and a bevel gear engagement method, which may also be a worm and gear engagement method, the straight pipe portion 8 is provided with a sealing member 20 and a thrust bearing, and the spring member 24 acts on the inclined pipe portion 7 of the rotary reversing pipe 6 through the thrust bearing, so that the rotation is more flexible.
It will also be appreciated by those skilled in the art that the location of the spring member 24 may be otherwise located to the left of the thrust bearing.
Example 4
Referring to fig. 5 and 6, the present embodiment 4 is different from the above embodiment 1 in that the cover body 1 is provided with more than three cover passages 3, the valve seat 12 is provided with a closing position 27, and the valve seat 12 not only can ensure that the cover passages 3 and the first body passage 4 on the cover body 1 are communicated with other passages, but also can play a role of closing one cover passage 3 on the cover body 1.
In this embodiment, the spring member 24 is provided at a position close to the inclined tube portion 7, and the bearing 19 and the seal member 20 are provided at the end of the straight tube portion 8.
In addition, it is also conceivable that the second body passage 5 may be provided on the left side of the cover 1,
it will be appreciated by those skilled in the art that sealing material, which may be selected from a gasket or an O-ring, may be added to seal at the connection position between the valve body 2 and the cover body 1 or at other necessary positions.
It is also easily conceivable by those skilled in the art that the rotary reversing tube 6 has any shape with the left end and the right end not concentric, as long as the rotary switching function of alternately communicating with the cover channel 3 of the cover body 1 is satisfied.
It will also be apparent to those skilled in the art that the drive assembly 13 may be driven in a chain, belt or friction drive manner other than a gear drive.
It is also easily imaginable for the person skilled in the art that the cover 1 is connected to the valve body 2 in such a way that it is screwed or welded directly to the valve body 2.
It is also easily imaginable for a person skilled in the art that the motor driven rotor unit or the magnetic coupling rotor part is arranged at a position outside the straight tube portion 8 and that the stator unit is arranged outside the straight tube portion 8.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A plane sealing low flow resistance reversing valve comprises a cover body (1) and a valve body (2), wherein the cover body (1) is at least provided with two cover channels (3), the end part of the valve body (2) is provided with a first body channel (4), and the side part of the valve body (2) is provided with a second body channel (5); the rotary reversing valve is characterized in that a rotary reversing pipe (6) is arranged in the valve body (2), the rotary reversing pipe (6) comprises an inclined pipe part (7) and a straight pipe part (8) which are communicated with each other, an inclined pipe accommodating cavity (9) and a straight pipe accommodating cavity (10) are formed in the valve body (2), the inclined pipe part (7) is located in the inclined pipe accommodating cavity (9), and the straight pipe part (8) is located in the straight pipe accommodating cavity (10);
a driving gear ring (11) is arranged outside the rotary reversing pipe (6), and the end part of the inclined pipe part (7) is connected with a valve seat (12); the valve seat (12) is provided with a transition passage, the transition passage is communicated with an inclined tube part (7) of the rotary reversing tube (6), the driving gear ring (11) drives the rotary reversing tube (6) to rotate, and the valve seat (12) rotates along with the rotary reversing tube (6) so as to enable the cover passage (3) to be alternately communicated with or closed by the first body passage (4) and the second body passage (5).
2. The planar sealing low flow resistance reversing valve according to claim 1, characterized in that the caliber of the front end of the valve seat (12) matched with the cover body (1) is larger than the caliber of the rotary reversing tube (6), and the channel in the rotary reversing tube (6) is communicated with the first body channel (4).
3. The planar sealing low flow resistance reversing valve according to claim 1, characterized in that the driving gear ring (11) is located at the connecting position of the inclined tube part (7) and the straight tube part (8), the driving gear ring (11) is connected with a driving assembly (13), the driving assembly (13) is located in the inclined tube accommodating cavity (9), the driving assembly (13) comprises a driving assembly (14) and a driving gear (15), the driving assembly (14) is connected with the driving gear (15), the driving gear (15) is engaged with the driving gear ring (11), and the engagement mode adopts any one of outer gear ring engagement, inner gear ring engagement, straight gear engagement, helical gear engagement and worm and gear engagement.
4. A flat-seal low-flow-resistance diverter valve according to claim 3, characterized in that the driving gear (15) meshes with the driving ring gear (11);
the driving assembly (14) adopts a single motor;
or the driving assembly (14) adopts a motor and reducer combination, and the reducer is a planetary reducer, a harmonic damper, a worm gear reducer, a cycloidal reducer and a hard tooth surface reducer;
or the driving assembly (14) adopts a magnetic coupling, a magnetic transmission mechanism, a hydraulic mechanism or a pneumatic mechanism;
a terminal board (16) is arranged on the valve body (2) or the cover body (1), and a lead of the driving assembly (14) is led out through the terminal board (16);
a sensor hole (17) is formed in the cover body (1), and a sensor is arranged in the sensor hole (17);
the valve seat (12) is provided with magnetic blocks, the magnetic blocks correspond to the sensors, and the number of the sensors and the number of the magnetic blocks are at least one;
the sensor is in the form of a magnetic sensor, an electric switch, an electromagnetic sensor, a photoelectric sensor, an infrared sensor or an ultraviolet sensor;
a junction box (18) is arranged on the valve body (2) or the cover body (1), and a lead of a terminal board (16) is introduced into the junction box (18);
a sensor protective cover is arranged outside the sensor, and a sensor lead is led into the junction box (18);
the valve body (2) or the cover body (1) is provided with a sight glass, and the sight glass is used for checking the rotating state of the rotating reversing pipe (6).
5. A flat seal low flow resistance diverter valve according to claim 1, characterized in that the transition channel corresponds to the cover channel (3) on the cover body (1) and is alternately switched on or closed.
6. A flat-sealed low-flow-resistance reversing valve according to claim 1, characterized in that the straight tube part (8) of the rotary reversing tube (6) is provided with a bearing (19), and the radial or axial direction of the straight tube part (8) or the right end face of the straight tube part (8) is provided with a sealing member (20).
7. A flat-seal low-flow-resistance reversing valve according to claim 1, characterized in that the cover (1) is provided with a fixed stop (21) and the valve seat (12) is provided with a rotary stop (22); the fixed stop blocks (21) correspond to the rotary stop blocks (22) and play a role in limiting, and the number of the fixed stop blocks (21) is at least one than that of the rotary stop blocks (22).
8. The planar sealing low flow resistance reversing valve according to claim 1, characterized in that the wear-resistant sealing material (23) is arranged at the matching position of the cover body (1) and the rotary reversing tube (6), the wear-resistant sealing material (23) is a single metal or alloy, or polytetrafluoroethylene material or composite material, and the wear-resistant sealing material (23) is arranged in a manner of assembling, crimping, welding, casting, inlaying or spraying.
9. The planar sealing low flow resistance reversing valve according to claim 1, characterized in that the rotary reversing tube (6) is provided with a spring element (24), the spring element (24) is arranged at the outer end or the middle of the straight tube part (8), or the spring element (24) is arranged at the inclined tube part (7);
the spring part (24) is a disc spring, a wave spring, a rectangular cylindrical spring or a common pressure spring;
a pin shaft hole (25) is formed in the rotating circle center of the valve seat (12), and a center hole (26) is formed in the center of the cover body (1);
the central hole (26) is connected with the pin shaft hole (25) through a pin shaft, and the valve seat (12) and the rotary reversing tube (6) rotate around the pin shaft.
10. A flat-seal low-flow-resistance diverter valve according to claim 1, characterized in that the valve seat (12) is provided with a closing position (27), the closing position (27) opening or closing the cover channel (3) in the cover body (1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110364532.3A CN112728159B (en) | 2021-04-06 | 2021-04-06 | Plane sealing low flow resistance reversing valve |
| PCT/CN2022/079825 WO2022213762A1 (en) | 2021-04-06 | 2022-03-09 | Planar-sealing reversing valve with low flow resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110364532.3A CN112728159B (en) | 2021-04-06 | 2021-04-06 | Plane sealing low flow resistance reversing valve |
Publications (2)
| Publication Number | Publication Date |
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| CN112728159A true CN112728159A (en) | 2021-04-30 |
| CN112728159B CN112728159B (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110364532.3A Active CN112728159B (en) | 2021-04-06 | 2021-04-06 | Plane sealing low flow resistance reversing valve |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112728159B (en) |
| WO (1) | WO2022213762A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022213762A1 (en) * | 2021-04-06 | 2022-10-13 | 烟台佳士阀泵有限公司 | Planar-sealing reversing valve with low flow resistance |
| WO2023104191A1 (en) * | 2021-12-10 | 2023-06-15 | 浙江盾安人工环境股份有限公司 | Flow path switching valve and air conditioner system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB290087A (en) * | 1927-08-26 | 1928-05-10 | Dorman Long And Company Ltd | Improvements in, and relating to, pneumatic and like conveyors |
| JPS58113671A (en) * | 1981-12-28 | 1983-07-06 | Sumitomo Chem Co Ltd | Destination change over device in pneumatic transportation |
| FI64260C (en) * | 1982-05-31 | 1983-11-10 | Mkt Tehtaat Oy | ANORDINATION FOER DOERDELNING AV EN STROEMNING |
| CN201162853Y (en) * | 2008-02-29 | 2008-12-10 | 邱江 | Pipeline switching valve |
| CN201761938U (en) * | 2010-07-08 | 2011-03-16 | 江苏久信医用净化工程有限公司 | Pneumatic logistic transport wind direction converter |
| CN105840877A (en) * | 2016-03-30 | 2016-08-10 | 江苏建筑职业技术学院 | Changeover valve with two pipes for feeding and one pipe for discharging |
| CN206798632U (en) * | 2017-04-28 | 2017-12-26 | 湖南三德科技股份有限公司 | A kind of commutator for pneumatic conveying |
| CN109973684A (en) * | 2019-04-16 | 2019-07-05 | 美巢集团股份公司 | A kind of multiple-way valve |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6614480A (en) * | 1965-12-24 | 1967-06-26 | ||
| JPH08133476A (en) * | 1994-11-16 | 1996-05-28 | Houriyou Sangyo Kk | Granule transferring passage switching equipment |
| CN211109944U (en) * | 2019-10-14 | 2020-07-28 | 曼彻彼斯高新技术有限公司 | Pneumatic multi-directional material flow diverter |
| CN111517121A (en) * | 2020-05-20 | 2020-08-11 | 江苏欧卓输送设备科技有限公司 | Distribution valve |
| CN112499266A (en) * | 2020-12-08 | 2021-03-16 | 中国水产科学研究院渔业机械仪器研究所 | Pneumatic conveying multi-path distribution device and distribution conveying method |
| CN112728159B (en) * | 2021-04-06 | 2021-07-20 | 烟台佳仕阀泵有限公司 | Plane sealing low flow resistance reversing valve |
-
2021
- 2021-04-06 CN CN202110364532.3A patent/CN112728159B/en active Active
-
2022
- 2022-03-09 WO PCT/CN2022/079825 patent/WO2022213762A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB290087A (en) * | 1927-08-26 | 1928-05-10 | Dorman Long And Company Ltd | Improvements in, and relating to, pneumatic and like conveyors |
| JPS58113671A (en) * | 1981-12-28 | 1983-07-06 | Sumitomo Chem Co Ltd | Destination change over device in pneumatic transportation |
| FI64260C (en) * | 1982-05-31 | 1983-11-10 | Mkt Tehtaat Oy | ANORDINATION FOER DOERDELNING AV EN STROEMNING |
| CN201162853Y (en) * | 2008-02-29 | 2008-12-10 | 邱江 | Pipeline switching valve |
| CN201761938U (en) * | 2010-07-08 | 2011-03-16 | 江苏久信医用净化工程有限公司 | Pneumatic logistic transport wind direction converter |
| CN105840877A (en) * | 2016-03-30 | 2016-08-10 | 江苏建筑职业技术学院 | Changeover valve with two pipes for feeding and one pipe for discharging |
| CN206798632U (en) * | 2017-04-28 | 2017-12-26 | 湖南三德科技股份有限公司 | A kind of commutator for pneumatic conveying |
| CN109973684A (en) * | 2019-04-16 | 2019-07-05 | 美巢集团股份公司 | A kind of multiple-way valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022213762A1 (en) * | 2021-04-06 | 2022-10-13 | 烟台佳士阀泵有限公司 | Planar-sealing reversing valve with low flow resistance |
| WO2023104191A1 (en) * | 2021-12-10 | 2023-06-15 | 浙江盾安人工环境股份有限公司 | Flow path switching valve and air conditioner system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112728159B (en) | 2021-07-20 |
| WO2022213762A1 (en) | 2022-10-13 |
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